22043783678881 has 8 divisors (see below), whose sum is σ = 22556569362624. Its totient is φ = 21531004338480.

The previous prime is 22043783678837. The next prime is 22043783678921. The reversal of 22043783678881 is 18887638734022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22043783678881 - 2⁹ = 22043783678369 is a prime.

It is a super-2 number, since 2×22043783678881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043783678831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5845596 + ... + 8846386.

It is an arithmetic number, because the mean of its divisors is an integer number (2819571170328).

Almost surely, 2^{22043783678881} is an apocalyptic number.

It is an amenable number.

22043783678881 is a deficient number, since it is larger than the sum of its proper divisors (512785683743).

22043783678881 is a wasteful number, since it uses less digits than its factorization.

22043783678881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171671.

The product of its (nonzero) digits is 173408256, while the sum is 67.

The spelling of 22043783678881 in words is "twenty-two trillion, forty-three billion, seven hundred eighty-three million, six hundred seventy-eight thousand, eight hundred eighty-one".